<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>


<script>
    function fbnq(n) {
        if (n == 1 || n == 2){
            return 1;
        }else {
            return fbnq(n-1) + fbnq(n-2);
        }
    }

    console.log(fbnq(25));
</script>
</body>
</html>